Finding the Fourth Proportional to 38,404.72, 57,533.27 and 21,715.18

Step by Step Solution

1. Step 1: Write the proportion equation
   38,404.72 : 57,533.27 = 21,715.18 : x
2. Step 2: Convert to fraction form
   38,404.72/57,533.27 = 21,715.18/x
3. Step 3: Cross multiply
   38,404.72x = 57,533.27 × 21,715.18
4. Step 4: Simplify right side
   38,404.72x = 1,249,345,026.37
5. Step 5: Solve for x
   x = 1,249,345,026.37/38,404.72
6. Step 6: Final answer
   x = 32,531.03